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trace-events: remove the remaining vcpu trace events 

While these are all in helper functions being designated vcpu events
complicates the removal of the dynamic vcpu state code. TCG plugins
allow you to instrument vcpu_[init|exit|idle].

We rename cpu_reset and make it a normal trace point.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20230526165401.574474-3-alex.bennee@linaro.org
Message-Id: <20230524133952.3971948-3-alex.bennee@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Alex Bennée 2023-05-26 17:53:52 +01:00 committed by Stefan Hajnoczi
parent 2e2097b495
commit 78f314cf83
5 changed files with 5 additions and 36 deletions
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4
hw/core/cpu-common.c
View File

@ -32,7 +32,7 @@
#include "sysemu/tcg.h"
#include "hw/boards.h"
#include "hw/qdev-properties.h"
#include "trace/trace-root.h"
#include "trace.h"
#include "qemu/plugin.h"
CPUState *cpu_by_arch_id(int64_t id)
@ -113,7 +113,7 @@ void cpu_reset(CPUState *cpu)
{
device_cold_reset(DEVICE(cpu));
trace_guest_cpu_reset(cpu);
trace_cpu_reset(cpu->cpu_index);
}
static void cpu_common_reset_hold(Object *obj)

3
hw/core/trace-events
View File

@ -29,3 +29,6 @@ clock_set(const char *clk, uint64_t old, uint64_t new) "'%s', %"PRIu64"Hz->%"PRI
clock_propagate(const char *clk) "'%s'"
clock_update(const char *clk, const char *src, uint64_t hz, int cb) "'%s', src='%s', val=%"PRIu64"Hz cb=%d"
clock_set_mul_div(const char *clk, uint32_t oldmul, uint32_t mul, uint32_t olddiv, uint32_t div) "'%s', mul: %u -> %u, div: %u -> %u"
# cpu-common.c
cpu_reset(int cpu_index) "%d"

31
trace-events
View File

@ -54,34 +54,3 @@ qmp_job_resume(void *job) "job %p"
qmp_job_complete(void *job) "job %p"
qmp_job_finalize(void *job) "job %p"
qmp_job_dismiss(void *job) "job %p"
### Guest events, keep at bottom
## vCPU
# trace/control-target.c
# Hot-plug a new virtual (guest) CPU
#
# Mode: user, softmmu
# Targets: all
vcpu guest_cpu_enter(void)
# trace/control.c
# Hot-unplug a virtual (guest) CPU
#
# Mode: user, softmmu
# Targets: all
vcpu guest_cpu_exit(void)
# hw/core/cpu.c
# Reset the state of a virtual (guest) CPU
#
# Mode: user, softmmu
# Targets: all
vcpu guest_cpu_reset(void)

1
trace/control-target.c
View File

@ -144,5 +144,4 @@ void trace_init_vcpu(CPUState *vcpu)
}
}
}
trace_guest_cpu_enter(vcpu);
}

2
trace/control.c
View File

@ -277,8 +277,6 @@ void trace_fini_vcpu(CPUState *vcpu)
TraceEventIter iter;
TraceEvent *ev;
trace_guest_cpu_exit(vcpu);
trace_event_iter_init_all(&iter);
while ((ev = trace_event_iter_next(&iter)) != NULL) {
if (trace_event_is_vcpu(ev) &&